First, preheat the oven to about 350 Fahrenheit or 175 degree C. start making this delicious dessert by slicing the apple fruits. Put all of the apple slices in a 9×13 inch sized pan. Then, blend one tablespoon flour, ground cinnamon and white sugar together. Sprinkle this mixture on apple slices in the pan and pour water evenly over them. Mix melted butter, baking soda, baking powder, oats, 1 cup flour, and brown sugar. Fall this mixture to pieces and put them evenly over the apple mixture in the pan. Finally, put the pan in the oven and bake it for about forty five minutes with 350 degrees Fahrenheit or 175 degrees C. You can cook this warm dessert in 1 ½ hours and you can perfectly serve it with vanilla ice cream.